package com;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class Servlet1 extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //获取请求的参数（办事的材料）查看
        String username=req.getParameter("username");
        System.out.println("在Servlet1(柜台1)中查看参数（材料）："+username);

        //给材料 改一个章，bong传递到Servlet2去查看
        req.setAttribute("key","柜台1的章");
        //问路，Servlet2(柜台2）怎么走
        /**
         * 亲故转发必须要以‘/‘大头表示地址为http；//ip:port/工程名  映射到IDEA代码的web目录</br>
         *
         */
        RequestDispatcher requestDispatcher=req.getRequestDispatcher("/servlet2");
        //走向Servlet2(柜台2)
        requestDispatcher.forward(req,resp);
    }
}
